C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/10, 148/55
C21D 1/64 (2006.01) B21C 47/26 (2006.01) C21D 9/573 (2006.01)
Patent
CA 1078710
ABSTRACT OF THE DISCLOSURE A method and an apparatus for cooling a rod of a coil form, immediately after the hot-rolling, in which the rod whose loops are spaced a given pitch one from another is laid flat on a chain conveyor, more exactly on rails thereon, and trans- ported therealong by means of endless chains, during which time the rod is cooled with cooling fluid or air, which is being introduced from below the cooling floors, through nozzle portions formed in the bodies of the cooling floors, themselves. These method and apparatus features the arrangement, and construction including the shapes of nozzle portions thus formed. Cooling fluid is upwardly injected at an angle of 10° to 70° to the plan of the cooling bed and horizontally at an angle of 10° to 150° to the transporting direction of the rod, towards said rod right above rail portions and chain portions of the conveyor, while cooling fluid is upwardly injected at an angle of 15° to 75° to the plane of the cooling bed, and horizontally at an angle of 30° to 150° to the direction of the trans- portation of the rod, towards the overlapped, sidewise circum- ferential portions of the rod. Thus, uniform cooling may be achieved over the entire length of a coil of the rod.
243904
Fujita Tatsu
Kaneda Tsugio
Matsuoka Terutoshi
Mizuta Atsuo
Nagura Yoshio
Kobe Steel
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